Home / 21,855.49-32,735.85-13,537.60

Finding the Fourth Proportional to 21,855.49, 32,735.85 and 13,537.60

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Solution

The fourth proportional to 21,855.49, 32,735.85 and 13,537.60 is: 20,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855.49 : 32,735.85 = 13,537.60 : x
  2. Step 2: Convert to fraction form
    21,855.49/32,735.85 = 13,537.60/x
  3. Step 3: Cross multiply
    21,855.49x = 32,735.85 × 13,537.60
  4. Step 4: Simplify right side
    21,855.49x = 443,164,842.96
  5. Step 5: Solve for x
    x = 443,164,842.96/21,855.49
  6. Step 6: Final answer
    x = 20,277.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.